html,
body {
    height: 100%;
}

a,
div,
p,
span,
img,
h1,
h2,
h3,
html,
body {
    padding: 0;
    margin : 0;
}

a {
    text-decoration: none;
    color          : #606266;
}
.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s;
}
.fade-enter,
.fade-leave-active {
  opacity: 0;
}